[Mono-list] setuid behavior?

mickeyf mickey at thesweetoasis.com
Thu Sep 12 13:21:31 UTC 2013

I'm making some progress. By using "setcap", not on my app but on mono
itself, I get past the initial permission issue for the udp socket.

My app also accesses a library written in c which uses a socket to read
canbus messages. On startup it tries a "ip link set blah blah..."

This still responds with "RTNETLINK answers: Operation not permitted". I've

setcap 'cap_net_bind_service=+ep' mylibrary.so

but this does not seem to do the trick, even tho the library is called by my
app which is itself started by mono. At this point I suppose this is no
longer a mono question, just a Linux question, but if anyone has pointers
I'd appreciate it.


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